TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(5) GLOW PLUG WAIT LIGHT FAILS TO OPERATE,ENGINE STARTS IN COLD WEATHER (BELOW50° F). All other lights operate (continued).CONTiNUED FROM CD. 1. Reconnect wire486 of harness 12260287to glow plug wait light and reassebledriver’sinstrument panel.2. Disconnect harness 12268418-1 at en-gine disconnect bracket and harness12260287 at driver’s bulkhead.3. Place one lead of multimeter in socket Cof harness 12268418-1 bulkhead connectorand place other lead in socket A of harness12268418-1 engine disconnect bracket con-nector and check for continuity.Is continuity indicated?Repair wire 486 or replace harness 12268418-1 (para 7-44). Verify problem is solved.E. 1. Reconnect harnesses 12260287 todriver's bulkhead connector.2. Disconnect wire harness 12268308 fromglow plug controller.3. Place one lead of multimeter on pin A ofharness 12268418-1 engine disconnectbracket connector and place other lead onsocket A of harness 12268308 glow plugcontroller connector and check for continu-4. Repeat step 3 except place one muiti-meter lead on pin C of harness 12268308glow plug controller connector and check forcontinuity.Is continuity indicated in both circuits?Continued on next page2-154
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